21344930

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{57689}}^1$

素因数の和:57733

約数の個数: 16

約数和(自身を含む): 39459960

約数和(自身を除く): 18115030

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 57689, 115378, 288445, 576890, 2134493, 4268986, 10672465, 21344930]

約数ペア:

[(1, 21344930), (2, 10672465), (5, 4268986), (10, 2134493), (37, 576890), (74, 288445), (185, 115378), (370, 57689)]